/**
 * Copyright (c) 2017-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

const React = require('react')

const CompLibrary = require('../../core/CompLibrary.js')
const MarkdownBlock = CompLibrary.MarkdownBlock /* Used to read markdown */
const Container = CompLibrary.Container
const GridBlock = CompLibrary.GridBlock

const siteConfig = require(`${process.cwd()}/siteConfig.js`)

function imgUrl (img) {
  return `${siteConfig.baseUrl}img/${img}`
}

function docUrl (doc, language) {
  return `${siteConfig.baseUrl}docs/${language ? language + '/' : ''}${doc}`
}

function pageUrl (page, language) {
  return `${siteConfig.baseUrl}${language ? language + '/' : ''}${page}}`
}

class Button extends React.Component {
  render () {
    return (
      <div className="pluginWrapper buttonWrapper">
        <a className="button" href={this.props.href} target={this.props.target}>
          {this.props.children}
        </a>
      </div>
    )
  }
}

Button.defaultProps = {
  target: '_self'
}

const SplashContainer = props => (
  <div className="homeContainer">
    <div className="homeSplashFade">
      <div className="wrapper homeWrapper">{props.children}</div>
    </div>
  </div>
)

const Logo = props => (
  <div className="projectLogo">
    <img src={props.img_src} />
  </div>
)

const ProjectTitle = props => (
  <h2 className="projectTitle">
    {siteConfig.title}
    <small>{siteConfig.tagline}</small>
  </h2>
)

const PromoSection = props => (
  <div className="section promoSection">
    <div className="promoRow">
      <div className="pluginRowBlock">{props.children}</div>
    </div>
  </div>
)

class HomeSplash extends React.Component {
  render () {
    let language = this.props.language || ''
    return (
      <SplashContainer>
        <div className="inner">
          <ProjectTitle />
          <PromoSection>
            <Button href="/docs/README.html">文档</Button>
            <Button href="https://github.com/syberos-team/syberh">
              Github
            </Button>
          </PromoSection>
        </div>
      </SplashContainer>
    )
  }
}

const Block = props => (
  <Container
    padding={['bottom', 'top']}
    id={props.id}
    background={props.background}
  >
    <GridBlock align="center" contents={props.children} layout={props.layout} />
  </Container>
)

const Features = props => (
  <Block layout="fourColumn">
    {[
      {
        content: 'This is the content of my feature',
        image: imgUrl('syberos.png'),
        imageAlign: 'top',
        title: 'Feature One'
      },
      {
        content: 'The content of my second feature',
        image: imgUrl('syberos.png'),
        imageAlign: 'top',
        title: 'Feature Two'
      }
    ]}
  </Block>
)

const FeatureCallout = props => (
  <div
    className="productShowcaseSection paddingBottom"
    style={{ textAlign: 'center' }}
  >
    <h2>Feature Callout</h2>
    <MarkdownBlock>These are features of this project</MarkdownBlock>
  </div>
)

const LearnHow = props => (
  <Block background="light">
    {[
      {
        content: 'Talk about learning how to use this',
        image: imgUrl('syberos.png'),
        imageAlign: 'right',
        title: 'Learn How'
      }
    ]}
  </Block>
)

const TryOut = props => (
  <Block id="try">
    {[
      {
        content: 'Talk about trying this out',
        image: imgUrl('syberos.png'),
        imageAlign: 'left',
        title: 'Try it Out'
      }
    ]}
  </Block>
)

const Description = props => (
  <Block background="dark">
    {[
      {
        content: 'This is another description of how this project is useful',
        image: imgUrl('syberos.png'),
        imageAlign: 'right',
        title: 'Description'
      }
    ]}
  </Block>
)

const Showcase = props => {
  if ((siteConfig.users || []).length === 0) {
    return null
  }
  const showcase = siteConfig.users
    .filter(user => {
      return user.pinned
    })
    .map((user, i) => {
      return (
        <a href={user.infoLink} key={i}>
          <img src={user.image} alt={user.caption} title={user.caption} />
        </a>
      )
    })

  return (
    <div className="productShowcaseSection paddingBottom">
      <h2>{"Who's Using This?"}</h2>
      <p>This project is used by all these people</p>
      <div className="logos">{showcase}</div>
    </div>
  )
}

class Index extends React.Component {
  render () {
    let language = this.props.language || ''

    return (
      <div className="home_container flex middle center">
        <HomeSplash language={language} />
        {/* <div className="mainContainer">
          <Features />
          <FeatureCallout />
          <LearnHow />
          <TryOut />
          <Description />
          <Showcase language={language} />
        </div> */}
      </div>
    )
  }
}

module.exports = Index
